docs: def _rescale_and_convert_field_inplace(self, array, name, scale, zero):
          """
          Apply fits scalings.  Also, convert bool to proper
          numpy boolean values
          """
          self._rescale_array(array[name], scale, zero)
          if array[name].dtype == numpy.bool:
              array[name] = self._convert_bool_array(array[name])
          return array